Abstract The study aims to determine the effect of beetroot extract (Beta vulgaris L) to nata de seaweed (eucheuma cotonii) on consumer acceptance. The research method used was a Completely Randomized Design (CRD) non factorial consisting of 4 treatment levels namely NR0 (added 200 g sugar), NR1 (added 200 g beetroot) NR2 (the additional of 40 g beetroot and 160 sugar) NR3 (the additional of 5…